Reported by EA FLOOD 2 days ago.
It is the 4th strongest of the 14 detections recorded within 20 km of this point since 24 March 2026. The last comparable one was on 20 August 2026.
What the source measured
EA FLOOD reported: Walverden Water at Nelson
An estimated 3,158,673 people live within 50 km of this point.
Nearby, since 24 March 2026
- August 20, 2026 · score 46 · 0.0 km
- August 14, 2026 · score 46 · 0.0 km
- April 5, 2026 · score 46 · 0.0 km
How we know
One source: EA FLOOD. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 69 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Flood |
| Severity | high |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 53.8600, -2.7200 |
| Nearest City | Preston (11 km) |
| Population Exposed | 3.2M within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-08-28T09:33:47.000Z |
| Source | http://environment.data.gov.uk/flood-monitoring/id/floods/012FWFL51 |
Score Breakdown
Technical Details
| SeverityLevel | 2 |
| FloodCategory | Flood Warning |
| County | Lancashire |
| RiverOrSea | Walverden Water |
| EaAreaName | Cumbria and Lancashire |
| FloodAreaID | 012FWFL51 |
| IsTidal | false |
| TimeRaised | 2026-08-28T11:33:47 |
| TimeSeverityChanged | 2026-08-28T11:33:00 |
Cascade Risks
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a flood event with CalamityScore 46/100, near Preston (United Kingdom), based on data from ea_flood. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.